" I am using Windows 10 right now."
Well at least its got to be better than trying to use Linux on the desktop.
"And despite there being an option to disable this stuff during setup, it is both re-enabled and greyed out in windows proper. "
So what - it's Alpha code - they probably need to test that it works. Or it might be a bug. Come back crying if it's like that in production. Which we all know it won't be as Microsoft never enable stuff like this by default in final release software and always ask you first. If you want to complain about spyware by design and by default you need to look at a Google product...